{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71507",
    "entityType": "User",
    "nonce": "0xeb90590724725496444be0ce350eb3b0d6d1da09b0bcf875ea3f86f7dc2095d0",
    "signature": "0x9382c604149909076feeab33b3d64ec75d41fc19cf71c2dc2ad1589e568d852b6ef3f97e2c753844b0b80934958d16a81ba641d9fcdd16060f7579fcbf38b4671c",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}