{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "485079",
    "entityType": "User",
    "nonce": "0xa9615ace828bcd4277ba5dd0bf9194afe82b8f884480aad40be23801431c2fcd",
    "signature": "0x65ba5790198bdf15d28653dce84962377951dc0247cb8b4d2be70855d0fbbb8762741ab6c4a8b7b1319cc45ead8ad4be713e2c62da3db1187e67bc12f361adba1b",
    "signer": "0xFA54BdDbc2fd0fA514bA36393EF2F5a80Ee9C49b",
    "userId": "428192787"
  }
}