{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "499031899",
    "entityType": "User",
    "nonce": "0x0166c601a98e56dfccdc2f502daaf8cdf0a33276ba289244bb35b1a4f50daefb",
    "signature": "0xca97cedd98683fcb72216ea393ab7ebd266109ab020362e1bd8fd024cbbfef5c16e700b7024ff4a8caa26bc6a2e7a3a2e6fd368dcad78bda4660b85bbdf71c5c1c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}