{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "480023595",
    "entityType": "User",
    "nonce": "0x3e7b48dd17a230252871ddb84096287c2bb1898881580e67b28763d912db880c",
    "signature": "0x9bdfb544e75f3561dc0fb3455a95769d25c4b6bcdbfb98cdc37c51a38e1e7b775d682b36d108ef034b0727a27b4561634c5968e41e5a799aacf052f1f2a56cdc1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}