{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67658",
    "entityType": "User",
    "nonce": "0x73d3e9887d2928c0e81fe59758ebe07d013dc608adaaa033d2b7ea583f6f9d38",
    "signature": "0x4c213d4b42806a0032c11f6c2d5ce7efc0c33ed9b29e73c72e177c5355bcf56a58be2a3e44367d6dd30f7b7c4b6b36477688730c7cee72ae4b08a5f33108839c1b",
    "signer": "0x9b1a9d02F213F5C768F11FC832194b5cB665E056",
    "userId": "418702748"
  }
}