{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x44dc71ca52b120ae3dcaca2b9ed3d2d14c1be02432cbe8a3d70abced11ef7097",
    "signature": "0xe48aafeb292d059cfb842e1e689af00b3537f5f7b2ad1762b19d4a0d57656d430c8fe58898c1e4b6d2726fae98c5a4d74737fef42a143252fe86079587c1ebdd1c",
    "signer": "0x6A88cEec482B13F82D57903a21346484C2207875",
    "userId": "319660171"
  }
}