{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "422886157",
    "entityType": "User",
    "nonce": "0xcede3fc693faa9c3fc612a6c957c3d5f45418fbd665638da52de179783132ae5",
    "signature": "0xfb8586c0cd3b47ac68c837fbcd69dcd64195cf30d5d2d01df66b5bbb5f776d231a63f511ce8043073fa79e92ab73061e7008fc6f11a7aaa2cd84cd484212390c1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}