{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x60c14ce93696e2d268ee7b9c8d6d1e7179d0814bbc11c67ddb50008feebb6314",
    "signature": "0x356f765b669c0bbe096b4d3f1371e515a21fdab5f666e947d7e67e3d9a1065a16fd91eb39a6db12e91d4a592640d9216b96230c57e31095aaf8f58d7a810f20c1b",
    "signer": "0x7c33af5FeeE705F98865C38eE4351Cb7501A4a03",
    "userId": "348456087"
  }
}