{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28768",
    "entityType": "User",
    "nonce": "0xdedce8aa69a799527200542e8f1093e3fdfebbb51dd0cd7e3ee1b7e54818b064",
    "signature": "0x920b77a058ee12302eba0ea5dfefa1164da27c4d10ba99208ee98521516e16631a14a2d1eed0bdae58f56b2d6eb17f682477ba16b2e6cf59c36651e9e813de5a1c",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}