{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "223331",
    "entityType": "User",
    "nonce": "0x06da0287603b23730330396da470cb5bbec9b195553183218974c5ee3a6a27ad",
    "signature": "0x63b2ae7f08d220111d3d0bcda35a43d1170e2305c4f6d9880c08e32589c26ce152b2d7b8989e584672d010f43b171b6de509247de1a68f77551e5ec764e132d91c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}