{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1228",
    "entityType": "User",
    "nonce": "0x8fe737f9020200f2fe8ca8dcad52d6948b14d841939eaaebdc352484e01fe3f1",
    "signature": "0x907de46b79f0146ad0f8af7312198c822990fe4078ffba588303ae5dddb1f7d31cad5f11aa838b33c30b9427f98a248eca0c69454f28a841b45792223d5564fd1b",
    "signer": "0xA7D206a8f2b63986B1Af437a01CFbCDCcE69601e",
    "userId": "856769027"
  }
}