{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "395602",
    "entityType": "User",
    "nonce": "0x3a8873c586066ba32def61c26e44d5c4c18ba2eb234b97029a8d7b3f4b702296",
    "signature": "0x5058eebda2c7c4cb4e14744affc52b62ba0d2b21ec2d0b75f955277ce354f1d029e58dde26678448d3f7bf279739ef44cca6d5f44429835588b3417dfc5111361c",
    "signer": "0x8b77d47DA28d313A2824468913d2f44F9a5B7b75",
    "userId": "808833626"
  }
}