{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64586",
    "entityType": "User",
    "nonce": "0xfaf9f9043a6d9158f35a61bf550dcd548f87b50257b9bd8297c40c1c12d108f0",
    "signature": "0x3e4731b8cb88786bfb422e7a7cad616f68b9504063318c3ccd3feb83d91d5cf850903723478d688c517d23cfc43ec43feba6af7d4223d4a624ff418d635e27de1c",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}