{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "842627272",
    "entityType": "User",
    "nonce": "0x092b42cc5f9d8c9fe5cb33f64fdf3d0ebc80561677a334d400a24c77bb43083f",
    "signature": "0x38866ab0a2abf4f436f75e98667b4937c136320ac80f3ae09956f5faf339f2ec5af1c06437f0c8e0b021ca4c3d65d4a0d254ae3945a8cd397e76017eac6ab5b41c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}