{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa36accd02f32824e3d8234de676ebefe2725bc7644fd20667f0328b710bd1e33",
    "signature": "0xfe6f546019794bb5d5ebb2d2b81274beafff30d35a67ad707177311644a97ef61831af2e48409287a77b72380021640f003fe1b37b0242ccabb4ef90aa61910d1b",
    "signer": "0x5FCc1F0438515241FDb18a12701ab1d5374C0892",
    "userId": "472377942"
  }
}