{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55748",
    "entityType": "User",
    "nonce": "0xdce3b65381880a182e01aa5abc832a3920d2260181889f968d0fc34054b78010",
    "signature": "0x2458232fd40cfd4395df06a5b4fa524f43c36d72edc1a27c5b7adcd9ed657ad6370bc53b7c08292972d3718d0d0d628f145cb0293e22807c7cd73dc0578f58971b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}