{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329513359",
    "entityType": "User",
    "nonce": "0xcc9cc4a8eaf319b0ff548ebac16b8b12064d8d64b55460f6753d0d31fab74889",
    "signature": "0x90f4628e4427b5db97ee9accb5e4b4da1a94aab3055c4429d40d1246d21945d3101311b4090f6edbb4d16d7002fd52e6e68cd3430d1bfab1574d106df0edd1921c",
    "signer": "0x3872417aC9CCdc743F396f6d7A6872e91dB934d1",
    "userId": "701379462"
  }
}