{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "168269221",
    "entityType": "User",
    "nonce": "0x84e6b0ea95a1165e20a8b722d26a7d1ef9fc5ef4737dcaf1446f1ad21939df84",
    "signature": "0xe6f7f5baf6e7b1c3f4daaf1d769be99ad5e601916b89b754a1ec9828653cc32027e17c7c4bbb929a78a29d48e53a45ad1258dadffb212bcda63fecd6a8a84ec71b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}