{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "355113",
    "entityType": "User",
    "nonce": "0x18af5805aa25e47c411772ff8c4389599947f436e683aea3ce4b695fc492754d",
    "signature": "0x6984e921eae9037f285ac31dad1c77dd8ee41e1107d1aee436183a20449f462d45427855dcdcb79974d9f63082f2d8ca663788b6cfe238aeff76a703ac06aa541b",
    "signer": "0x560CF638EEa19774538D453cC9eC0745a7C66556",
    "userId": "242603075"
  }
}