{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "977626924",
    "entityType": "User",
    "nonce": "0x79d0040a6c7dfacaecd54220df8129c6cc94e9f71ca0190f4e992d3a0f8c0dc8",
    "signature": "0xefb2545b91e1839ae5c90bb56bc086e43a3b0af3eb0bb28654d30165bc091eb653d8cb4555526b33d3fccde509947350da5cb81dbe49cb40ca3125b110a6a9841b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}