{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd900c5b096e5b09a6dc801498a3da7b186ede3fb29718a456053cb85431ae087",
    "signature": "0x0fbcb67780a8b19446326a17a6f26063b04445f837930fd61bd7f36108ff2b6e1bdb3e322cd5d41b91a3433f10393ca353811459f0550d2903ef7c279812b0321b",
    "signer": "0x059FDD826bF0763b4bC967b47369bfA626eA4253",
    "userId": "238749470"
  }
}