{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52710",
    "entityType": "User",
    "nonce": "0x57e9d463129c213249d647ee85ae1d220cc0c060408e7d998bee001f25ec0d49",
    "signature": "0x07995030e34cea826845731e94c07180eb44eb3276bcf9a1e30296698622d03522a94a40e3e6b486dc419ed474f7ac1a18ca5a6bb23de1637b5e412765f04b021b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}