{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "966718637",
    "entityType": "User",
    "nonce": "0x3aac663c87ed399743805f01f9c7a312c28fb89167bb9d6a591fe8604c185c33",
    "signature": "0x1df6d3b1e2946a7f75eee48133bd35f9c6e912389cc1f88ee46ec7d5d4d5a43f79d15f871351de6d2d960d08039337364f37534af29cca6a278a730f2255b5c51b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}