{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "328810",
    "entityType": "User",
    "nonce": "0x0aecfab2bf3b6a26a9eee0a7fe58779b79b4e2e5230ea6bb4614bf29347b9dae",
    "signature": "0x80ce65ed3aad14dc6599ebe866697d0a49944c60227a34722860386407cb877a0ba3f64c435f97c3e9f6363571a868a57b6983d835f471651ea74eb6b9a4f5bf1c",
    "signer": "0x80005E1c5cb88Fd03a994eC8a06eFD4c801102D7",
    "userId": "225974748"
  }
}