{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "994013869",
    "entityType": "User",
    "nonce": "0x70c480a6ced45c9385ab683333a975ef4f7794bb263c96636c8b3d6b95149f94",
    "signature": "0x2143cc80481ffdbdd34072755cc054e161a0189365a23320f12da94835644b376f013471e49e7da03e93ad9acd4b5f2e17748f54e7b17a2b98d842a3aabe25851c",
    "signer": "0x1D0c500EC847246923045cB0a285242A93723f30",
    "userId": "302385956"
  }
}