{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x8addc242bb49ad5c09ad89d01eedd34a3a70fac2a108e6864b4af6cdd3273507",
    "signature": "0x7019ba17a3659c8e1175aab401a4fe83007d087bdfe9c7efbbf83e3ea5bc6ada05d709ed7b4b0e54830403a37d76c3641459065d9ad7d7f0d3cc44f76590e7de1b",
    "signer": "0x90c0041acE11aDfC1bb0cd6567b59c5804861264",
    "userId": "97532602"
  }
}