{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "353157",
    "entityType": "User",
    "nonce": "0xe8a68655874122b233502b20102953af2124c74460df08b67b8c46d5bbabf235",
    "signature": "0xadd2fda96edc230b8ddcc6f7af20fb36b53d0e350f3b14e0579390b5ff3d20fc157f562711173ea8660e6af4f24d86608fb3115f6b1adaa8688daff09edf402f1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}