{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61741",
    "entityType": "User",
    "nonce": "0x457dc59319e5b1a5e0c43f6fcb2bc24109f42729d602eddb317d543955a02b2c",
    "signature": "0xe63faf22c3bb502132c2958078d0458adf86b005b950d01e6fde96f79d78be5b358909ea98f73e69ec557b1ced672854ef4661cd5dc775b259f670fa700c04621c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}