{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67658",
    "entityType": "User",
    "nonce": "0x0fdf780a41f0a2f8fc95fc35f8d13da7e51fc56c57c8b831681145ddf285309b",
    "signature": "0x5372beb3bc51210447a97a3c29ed82a26736d7d006ec6746a1fad55b07d7a5605f6cff5c850aa80a1c288793c1a3fa11213d10c6eba8b2a6f53c85c66a7841161b",
    "signer": "0x13839b1F022D94fAb7C05558747a2F686429366D",
    "userId": "133653253"
  }
}