{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "130081761",
    "entityType": "User",
    "nonce": "0x9a072df4311329af33720cbdf0c4ca80aa3a58ad3ae6a3165d4e9447cc1d108c",
    "signature": "0x3144e936ddae846a99c376c3e44bb56a84a77eb49e92b8470a60137a04ccbbec6f23d82a63170ab074495a4806e710aa7712e2031138599fee3e5c39e82529861c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}