{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69410",
    "entityType": "User",
    "nonce": "0x1a4a4c13a17e70a2c5c359ae8479a7fad451a9f65e335ca377f24c006da3a0ea",
    "signature": "0x8c72e729dabc78d206fb40364dd6d1fe9ca9a7e868c90e9564023513b331b28f027a15be4ec9fc8b04596b95a3c885609fbe8a8ac52f7c039f36fcd980f1eda31c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}