{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9507",
    "entityType": "User",
    "nonce": "0xb9419254c0e16826807923a93bb9adebb47ca9fdc45f4d3f03484722c879b7ca",
    "signature": "0x581e9e883909bf6b0641c2959601a25850974de43e5e6cc08c2a9dfc50cfc0f52894b28cd8e6a35bff3184e57f8770ee21f3b3de453a0158e242efc3e9754b311c",
    "signer": "0xAd948EEedA4AB2d06bF3150Daf2D25De733e7Cd5",
    "userId": "175201368"
  }
}