{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8151",
    "entityType": "User",
    "nonce": "0xcf36bb22f2126ff7a7cdc8cab8a11e381a8c4e0dd17a9c5ee104dca9893caf50",
    "signature": "0x2eb0c12850e33189db0b1e1933c8fc5b77650f36d8c30c9da974cd265bc380fa0b0a5554702d29235e11d8f7741e090bbfb88013cfe7c1f7550c39fdc3caef261b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}