{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "832058678",
    "entityType": "User",
    "nonce": "0x2a685e0b90417f998a8399f4d43549a8e8c4ea0288083ef3e8056860a59248de",
    "signature": "0xdc268cb3ce3e4404aa990c09d19d01f3224cafff6275bda7788f75c923b87e2c584930374b2237c21b6c634f7b0e2f57e8690045c98ae150c3f695605d97ea761b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}