{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0xb299c987a03ddbd3dd04482af702457ebaddafdd8f3f5d1d9efe37767db44e72",
    "signature": "0x7c83bd13c63cd821c3275e6adc4e0dcf0564a28afc97ddd48069046cee2ad2b637aae23b97041ffbcbf5034e67e3cdf2b8a4c337f88cd226429b683b7c368b3b1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}