{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2047015",
    "entityType": "User",
    "nonce": "0x69b4b660b5b418044d2cd8ecf3fb24fd1ded351bd1f4b60f62691f08bcb62a2e",
    "signature": "0x6bb95ddc1f7437a28700e0c5c2bcc90b94a9bb8e07364559628decde9e0e326a08805f35c4d0f874ea22f081b905ad55f91fa16773c4d5fb26556e1b050d816b1c",
    "signer": "0x9436FA87F6c8C3aa9e0F0fc7960566dEeB9e23d4",
    "userId": "193670137"
  }
}