{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42216",
    "entityType": "User",
    "nonce": "0x6fa5817a0eb417f636711e7c8a9ab99646686b0ce1370d6e1e997e01d27ccc3c",
    "signature": "0xb10626119fc38f0345676b94d4b38200061bb6e44edad0a77f2371edbe77dab36ccf329b71369f5d237c3dfe9711478fd8739ff998411b4f0b8eda44ac85abf01b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}