{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "219239808",
    "entityType": "User",
    "nonce": "0x6dee0ef440f2ecc5224b56e563c560f81e3eea4f18cda5047cfa9b1b7684c9a3",
    "signature": "0x1511801525863323efdcb65ee21a002e0429c426807a42759bec4d95006bac0264c33ecce12800ee4d08bbd9f0fc4648ac22252a858a711e74736bf793d279cf1c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}