{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "124033700",
    "entityType": "User",
    "nonce": "0x53189f53c67c3d7bdb5fd6762dd483a07fcd6fd2dd379d58bfc2fe3107eadcfe",
    "signature": "0x99c0d5025e536ce6110326e97c0841e9cdef8a9a99e8e64a530c2e8e6a77e9f309007b1ed73bedf8bff2203e326a13d3535fcbeda6f22b775cf2445562b35d331b",
    "signer": "0xCedE64dcD8b0FdEDBdADF4b0ba433797eD6301c9",
    "userId": "638733607"
  }
}