{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "311257477",
    "entityType": "User",
    "nonce": "0x83c459a2bcf72132152708eef331fb8a50e699315ce8e7a097b26f4bc3fab3c9",
    "signature": "0x52954bf3f6123978a1039589875779ae09c56c8308dc22289414285a2fe7d39f66b1c9aa798fe1ac48fee0c45a216c2ded85ceebbdb89adcdce68bf5f2eb4c591b",
    "signer": "0x0246262E4959323EAC2FBf603C6D24352d57Fc51",
    "userId": "700531000"
  }
}