{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13747",
    "entityType": "User",
    "nonce": "0x73a9e5a7bf18a54d721b18c71462bea44dc8e47b79c7b371cf1277257bef715c",
    "signature": "0x7d781e5ee5330716cbb254ac17db37d5fa7a703256fe0f7d1579c8254e11e6700aa51b62d455039cd423fc768098cfbcca9b11491aa1671309ff70ce107c6a161b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}