{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73529",
    "entityType": "User",
    "nonce": "0x6387811d817310d46b6cb1a9fbffc2b175eaaaef3dfa9356ebd3081139a6f788",
    "signature": "0x39c60a8604cbf89c5cf1fbba28aed17289677d6099c3ad07a52474bd3b88a3f44d5170d1520e0c190b9c5bb736730a308e6538e79422a83ab669143838df572e1b",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}