{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "422587728",
    "entityType": "User",
    "nonce": "0x0a6712dd88f62c5b197409bd3f56d8c6159c5d2e1f2b4bfe2977214d023270af",
    "signature": "0x8008c4edcf77f1f3e449d2fe707e787ac818bbbcc4c0eb84b8deb96f43a79eb06e581d3bb662a7e75d995d2b3b04f636358c83e7ae8bcc3812f6ab69730827c41b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}