{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "303084",
    "entityType": "User",
    "nonce": "0xece8a5d9fdfe53129929dfe8067ad365582dac0157f3882a221450ddb8c767cc",
    "signature": "0x21655611245161d7fa9f32a580ef4ec42ba66064f42a25199bfc37e762a844ad0e8d5704272336645bf9e228129ccbabb91c11144d313600b9c52e3d6ca7091c1c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}