{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "614212580",
    "entityType": "User",
    "nonce": "0x010b1eb4a63e6f200218011e743ada68c117625a18f62c218193b4ceb2599183",
    "signature": "0xbf9fc8ed204ed6366bc2e5ce641dcea1a6fb1a561dff7a4e14f5894502dc4a8c593f17f86514b8f0ed5199943e6ed0ee4331b004201179b437a9514678e9be161b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}