{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "473609",
    "entityType": "User",
    "nonce": "0xa9a949fd6b54ebe112973971e5042c5ce7adf149a1409dc7afc8205cfbc5c996",
    "signature": "0xb20516181242433fe8c84a3dc9f6cf301162f5b912dd64bd428472b59754bb712202018cf5a7788fac45be2273716cd52778ce37ecaf9f27570340a8ce94756f1b",
    "signer": "0x1e9DA20D40109Aabf05CCf219726674708d157D3",
    "userId": "860164979"
  }
}