{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "213653",
    "entityType": "User",
    "nonce": "0xd957460ab36adb2b6127dd138703fd2b6e5694b4e5fe021f0a3606e581377fe2",
    "signature": "0x7013e4b5d34e9ef9c1807df1b8e2437afb35a6cc36599c0c3ecbe41c9acdb6d40be86d81a7bc3e608c1f9f39c49564907f417dc14cddf0b6ecaf8f8c3633726c1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}