{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x1700ac8bfcf8e7fce0562210e9bf8c2174765086776d5248cbc98b7fa496517d",
    "signature": "0xae69c4396246aad92e9c16481d042a8f268aad7452c3e6398ef0b824aeb26ffb2a0f472d48058e8d28639ce3f0f3ac01e70ab92d3a6734ca844ad02c84172e6e1b",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}