{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4671",
    "entityType": "User",
    "nonce": "0x12fd5565c34830e3d51dc6394d8dce151dff536295fcf880c058a6958c12e130",
    "signature": "0x9d17517c078ac08ea432dbfb603e73328d38855f2cc3901a03dd77fa5b9027d22f0dcb0312144faab077aeb9dabd6be028d9e781ab5f06f3a17735424a25ec0a1c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}