{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127462678",
    "entityType": "User",
    "nonce": "0x8d23d06c045b17dd64dcefe9fe4da0d34f973e0d02b95c76c2e6189b1605bce4",
    "signature": "0xb04c71bef1511c83f9b782143ca7a965f4c3926e49444961b71650ccea98c85c1733d87568523072f5c8e436b14aabcf215dd23461d148ba25e64f3b99351ea61c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}