{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x4751340c473ba126eacf7dab42224223a5d1531a4fc0029f00e70be292227ee9",
    "signature": "0x8f4c08d6ea4c1f655f7b9a3088eedf4049659d2d0555c153260264b8babab30645583c51eec2aee54327dd2d451aa8a8c246f3b2fe71d19a6cc9b24a9e1a60dc1c",
    "signer": "0x914c1658bB5967D43E73304cD48EFa424776a6C8",
    "userId": "216111760"
  }
}