{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71229",
    "entityType": "User",
    "nonce": "0xe040f42af41c423d8018c21a1764af85fa4d38dda1cee338a983acbb0a4449c7",
    "signature": "0x76f07c612f1e0bc39c45347e212dd870198b26233701deb0fd818aa2e2baad8e5053fe66df30ad4f4e6d86641070409e95589ceac3eb0094c78223ad956d8b641c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}