{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "145731",
    "entityType": "User",
    "nonce": "0x74b2b0f16a8fd9d1d078669dde4b7692bad80196e2d218694e4d57d4fb028a75",
    "signature": "0x447376896e79fa52a0aceb294b701d16caf7634790e720079f971b8fb892285d27108a8cd5fc617c248b1bf02daff457cc0c95d8395cb55068111447e909f71b1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}