{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "587565125",
    "entityType": "User",
    "nonce": "0x98358ce26ea4daf60e6006797b5867a34c87e233d69797dcbf55bf7afd168822",
    "signature": "0x99d58c62452d29ff9cd61adad21c3fb2ff33c2620b86120eb2c8f5fb2b3200d3484d8086ccde338e0bd18f50b182b99cd2fe11de3f79caa361637d99b95495431c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}