{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120374",
    "entityType": "User",
    "nonce": "0x68589b442a88e61a9dd8895da3a228f65d9844c2000924284083746f4990010d",
    "signature": "0xf4c79724a3611a0c293011a38b9ada849ea4ff4fb695fcd5bb619e7a2885d4f7332759fa201aa23da5c84593df544d9611cece9915d2f9b6957c9b7a23b7c87f1b",
    "signer": "0xc8c4f61F41Ee9F540C9b6b684D16ef071F16789B",
    "userId": "828368024"
  }
}