{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x91ff0cc74bb54598f956317c9399a6bc3beaee3c8625af075428ed5a97a0c0ab",
    "signature": "0x9dbd52241ca0e20ce8316c938f0251c11d35d2bb0b76c7ca8514f68cf8712bf4756ee5b2f97fde0e75c955712d0bba49c980424c441053885db5e15cf0e04e7d1c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}