{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xea93aa2a4bc1dfcce7e227145504ec41bd4b9c7fb8bbfcd6817567a9a48a07a7",
    "signature": "0x4f2b3bcdf7773f67b7d20a13472ff2c98e420d1c1e79f46d1b5ae51e6df5823d22310631ebff5a5386f45b0680afaa9d30138db62ff16e9426493a66fee8cd9c1b",
    "signer": "0xFe07bcc2D24C235B22D93D9176cd59383Bb481Ef",
    "userId": "459979605"
  }
}