{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "201879",
    "entityType": "User",
    "nonce": "0x1c19684f19f136cc5fb9eb3d721cfa86d46216abe36cee78ae99a167ed9f68c9",
    "signature": "0xd560775a467335531be55eac64b32245b051a287416cd099d32616faa928b1165f64de9bde2dfc68bcae2d4c578936b5b2b8e216c349830061fc1405beeaf9be1c",
    "signer": "0xb048bD61FDCf327C9a427cdE23bbA16700E0bb74",
    "userId": "850759075"
  }
}