{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108164766",
    "entityType": "User",
    "nonce": "0xfd80d57ebe86508f452e2e371f195fec88574fed6fe84dcd6b8dac7f85cc4517",
    "signature": "0xd70848f09d6d1cdac9a0170de12adac4f11584d5beb8db8238cabf71cc611c0440d600df5d08c62444b8a339cef544f28b4a60243c8e0759d9c1db6ad6a8b0eb1c",
    "signer": "0x26Fe8f7CB08633fD2a530F1E5d905BF21cD7C6C6",
    "userId": "50234139"
  }
}