{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "166428182",
    "entityType": "User",
    "nonce": "0x738d29dc5d7eb17a87fce0c92b6ae5c5cd097c7d358a23c8b7308b4543d9b924",
    "signature": "0x5001377e7973b9a0ca82461e07cfc18c3e53585a62b85c3f510cefa5c053b7b12069a37d69ec1e08c19304bbf0b6a3810389fb94a512b2f02715c1bfd57c2e7c1c",
    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}