{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb04211f817b9337bbf1c947324391a64b769a24ebdaccb34b60a7dbc2d48f1c4",
    "signature": "0xe036fc27d9384eeb45baeee709d4623fe7989ea04d1881bbd568f349eb657c9c27670d56fd282fb4d406a4a569a8a00fb77bde893a809a14d888f122ebe0248c1c",
    "signer": "0x9e0ccd36c0cFE9BF939A6192442173A4d60225d3",
    "userId": "430995435"
  }
}