{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "847622374",
    "entityType": "User",
    "nonce": "0x07dbbfdb298a25ea3ea7c03b714472a792941f795c8405e7aaf62a1aa90d9a28",
    "signature": "0x6b099a9fa3cef7d2f90ae0a6b1025876fd6b98545c03d1857fb4790a7df0d2564d10a9f47ffd0969d5b3585f6bf674cb65ac38ed34790c11287fd42a1f965f4c1b",
    "signer": "0x1D0c500EC847246923045cB0a285242A93723f30",
    "userId": "302385956"
  }
}