{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "854915999",
    "entityType": "User",
    "nonce": "0xe55b7ebc36864b48f70a144de72668ed1b41de4e153461225526208bdb58121b",
    "signature": "0x85115d6f689b0060a32073199fead25e5c9a0abedde516e115945b6ab1b44f6124669f4bb62f9e22843095d72c85562051f01e350846d9b2894f1d3f1140313d1b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}