{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "214443",
    "entityType": "User",
    "nonce": "0xea867d03f75a07ae3e376f39673adf0cd9f883927c674feeb8e4e13fb91d287e",
    "signature": "0x217ab7dc43d0bea44550900756ba55d585a4c4f164f87627e8951a0c9610a6e6016ce8bbf0c21d0ea5824c19f4ef5e6bf39935214a0ac341051c14d2697467291b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}