{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "436085883",
    "entityType": "User",
    "nonce": "0xfeff68badeaa6a5a1aa2a50d8f9dd12d6f723fd007191dfac7ae7169a6e0b605",
    "signature": "0x4139a57b5b2d61208ce475fd205bf9c65b3a9c03397618bdc6c8bf285bb9cfb3753423e1fe3dc3849fb1155a54caed0de9e5a31269c3a37379d7af2e24c92a051b",
    "signer": "0xc3e03c21664729d32A8E77189667f4cC5091E233",
    "userId": "498109"
  }
}