{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "715241773",
    "entityType": "User",
    "nonce": "0xc46e6b763162699b883586d8d5d3e353b3795c409fdca0beb987a04c7eda1cb2",
    "signature": "0xb0170b8b76bf044cbaec3bb3a03757ce216675153efa868436a0e692fb0f9985234610505edd8c7207490aa4602d1bf8b3ffa30066285d95284a42f8eadad6861b",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}