{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "185086709",
    "entityType": "User",
    "nonce": "0xd74f8eef7b19cacd25d3afa04dfea40984eb477c40f5e9e6930ec29754736090",
    "signature": "0x55ba9ef08c5958817ba98b215cb3b3483fcbf9ba692afb79ebaf5b2690bfa78b59c3f575ee0b5ad821e76e7427f25aa92698e7549b7b50b8cb09d2a53be62dd71c",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}