{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18168",
    "entityType": "User",
    "nonce": "0x4ab080750b19dd098c89857e61219297c40df6528c0c6abf96149d0ddfee936e",
    "signature": "0x2c372a075adc63f3e1d765288868654510d2b79ea9069fb31d9ee0586d5975da281633bda54e3e720df263f33610708f5d1374e841451f16dc49900441d286881c",
    "signer": "0x745895918A1926af8a7B4C34Af51BdF98bf5C7C8",
    "userId": "54958731"
  }
}