{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x80faddd54b3ab277fa47efc1c6ee30b93a03404b2c712ae9184459c10dc859a8",
    "signature": "0x2dadd6177a3d5e931e77bc7812e50c7d3d005090a94b2d65b6dd8cbea9f4ec365deb46977f3ccfec641415522f0250d05ae1d217ec26dcc40ce2c400d17f71311c",
    "signer": "0x8e44D1faF741393ff33A9758EA2Dd20206537ba2",
    "userId": "378089885"
  }
}