{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "233533",
    "entityType": "User",
    "nonce": "0x4087e84edd566846920ced41540be289a83271eb86cae3b38f3d205a9304a2e3",
    "signature": "0x350d33217bcc5c4fbe61eebb537c5edac58c5a00d80a9136e7f02f2a00e61d8a6ff92f29d8cc9603d675b4ab38f7def79c4e3f34435bd08b17684722ac073fa81b",
    "signer": "0x745895918A1926af8a7B4C34Af51BdF98bf5C7C8",
    "userId": "54958731"
  }
}