{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0xad9366f66d3ae090c465605ea9f2cae96de50c0e69a51a4be8551c8c228257fc",
    "signature": "0x20eb83f0857e2ea20b39ec5cc334f405c62fea6e3b819f483a7dcffe036d8aa93ecee476af6a00e57da9c4d4a2705ab7120f4bb16fafe63c607b620ca5c72ddf1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}