{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "128959",
    "entityType": "User",
    "nonce": "0x252a31632f4c5f0080f02d7fe5d7b56d887232ed8415185e03b2730dd02b21bb",
    "signature": "0xa6c1977363957147dae8c87f76c821adad8a7d9a3e0563c468adf0a352be5ac23e6b402e110cff20002be6510ed3ac5e8b6574cc6ec612f18e61c98b9f4fbbe81b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}