{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "22701150",
    "entityType": "User",
    "nonce": "0x160e49bc97cdaf84d8e98f026dc7721feb1a11ea7e5a6d1bff97feba6e2fa1ef",
    "signature": "0x0447d3b705d33d81a103c91335b0e6652afc493a8e9f85044b0cb965c968cfa255fb8394865cd386893f7159ec56086fb5e0f6294fc50015d251bf516ab2afe91b",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}