{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "180446",
    "entityType": "User",
    "nonce": "0x0aece67bf2ac7a706c713f6ab98e77f39ae89bef60969c1d4fdf09a529c1b068",
    "signature": "0xe6d75c38c09390c0041e99310060b9fd74527cb33775366306654fc4efbeb0e74519e63d9f2931fb1a54b58c3e113e6af806ee1d9c44e5e4f0e821aa0e85db751c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}