{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83002",
    "entityType": "User",
    "nonce": "0x28125863cfa0267694a34d79df6c968006817ae2409e1ea66046263ddb91cab0",
    "signature": "0x1174db864290f1e6bee1a3b97fd3a4c8cc34763da620981ed1565200997110f95c1aae7efc8d4340d0ba4571333025cc2aab74a97fb10b1bcd8fd067c6f91a691b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}