{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "195753",
    "entityType": "User",
    "nonce": "0x3005e2e9ad5afc8b29a1b2f0dadb5b1547e2de2cdd9b6268a97d9bf1aa7b8904",
    "signature": "0xe6611a8aeec9ba6d79ee700c954b7f4b29392c1d96f84eaa88ecce064ab7e67a011757c5ff576c02048495089512454330d3246808c2dd202a461f24738b420e1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}