{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62564",
    "entityType": "User",
    "nonce": "0xed07ef604cc5f15d6e16fc74b965bf5560cbf1c8db828a169d70a89c9d9f3fc5",
    "signature": "0x471bec82839279606431955c70dd4a81db4edcd73f184582ac1c3a38b4a69ed97615b3e8a3387d61d76da2130e4392463633dd9cf4945f10d7404125ee7977641c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}