{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x509d93d5ed4d511624c1df39e5d90c7982b4c659f51a33adf87eb00b1cc78694",
    "signature": "0x373c8b521b7badad970a3190e3b01b57faa4b2baab4e5d33f3fe63d51387a0d773ca7010e18d961de04b8c52afa81ff4d4fadc2f4118d8b3662f86ade22e01ee1b",
    "signer": "0x0880BCB74D5456f4a1f957C6a1cd3617009BBbDA",
    "userId": "579497175"
  }
}