{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56282",
    "entityType": "User",
    "nonce": "0x120407e17bd93c64bbbbdcf17650eb61215a267abeec98bd2d579efc82422ae1",
    "signature": "0x64178149fb047ca48b792bd135bb85855d67ae8ab4831f141a378d5296a4bd7a65b8e0c05a6f0e1637130ca10b4dea39432e6aae28363f406a985b47730fa7501c",
    "signer": "0x16D3bf5a80bAfFB2f1550d49b1203D4CA532DA1C",
    "userId": "1994482"
  }
}