{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "468485341",
    "entityType": "User",
    "nonce": "0x3f74e7ee6dabdba19414e1309789ffeaa8e608e4e3f18d7a0f6fb8529f871df4",
    "signature": "0x3a9ad01fc72810b150dbde2f004f94c6d34ff4fac4949ac96786bedab2f0df9a221ab171a67d9e2b1ae5cef66083885b80d3fcb766af30ba3cf5faed8daf1ad31b",
    "signer": "0xf33Da9D00c98044caf842cdff3d9d9359A6F5B2F",
    "userId": "119807977"
  }
}