{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "91761",
    "entityType": "User",
    "nonce": "0x764df1b25f847a61a5aa1cea561f65ae0ae2d816b4929eca077aa86c56ee64a9",
    "signature": "0x9314fa2e0a8e2770bacf4912a23314941966c1457d2f45a2bbe50e7d742365ff53b44384adc46dca85376837d2b9bcf54166ac73386637f4a1648c6fc4378ee91b",
    "signer": "0x375963f281CEdF4D9D180496F80A256D574daBa2",
    "userId": "981824750"
  }
}