{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1723033",
    "entityType": "User",
    "nonce": "0x7aa888da8d3775414887771196d1a658410dade6f2833b71ec32889ed932857f",
    "signature": "0xd7d91c6a585b99b9adaebc9c949496057929cfa4e1c077e141560a87d0cbd7032953bde20f0153d446ef317771aabf4b1aceb39e874898ed83f69c662b4027c21c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}