{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "86476",
    "entityType": "User",
    "nonce": "0x466ee672542dee186c40d65bf59241c4a2afafdde4184a72b478a945d45a76f6",
    "signature": "0x321f9ffb845d7744c560b8c5261e85a76e2e789e6c1985f324ff04d810ba9f012fba134f040630fe08af702d3856a5ce600f52aac49f6507a654a9f26df571b31b",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}