{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "641172",
    "entityType": "User",
    "nonce": "0x245d619590e891da975803dbb5eb85e97de84afc84167a862171aa701093b9b1",
    "signature": "0x58e2cdd788ab8437cd3900a22545f5eae4762769c3a865ee6f2dbd8de407edb7180b303b8159fcea4a2b614bbf06cdb31bba47cf143f24d021e73d058a13363d1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}