{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58434",
    "entityType": "User",
    "nonce": "0xfde8ac4a3457f7af9f086716858b6effe9d39a1b22d6691c08d476a77eb72386",
    "signature": "0x83ac7786b71f98ec3057dc33538818a754557d826617e4230eb346dac717cd251360e743a84c204fc1c19c3f5531dbf888d16cce2e1f0611f25baef4b217b0331b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}