{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x39641ab75e5237d11188cb40635ce6ac4c45a38c74ec0d41facac34cc948ea7c",
    "signature": "0x3740dad59a55d862d31aeb742f5407ec918b5c25216c8b96e2714e8af72a20c80f550954813290827bb487f92190c857a3755d70bb18a2611af06c02d5198daa1c",
    "signer": "0x3296Bd48491c2e85014D3211d320F74CfEf3599D",
    "userId": "844885039"
  }
}