{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39999",
    "entityType": "User",
    "nonce": "0xae3b94fc1aae343d1fea503b2f9b662fa36363b0af25ae2d1f7cfb310be285b1",
    "signature": "0x87b7fbc96c9c27fe9e5ba717f40c23337d57370a25d7af570f79a5f86b0a6a481aae451532874591b5698d31e1f001ff84b514bd22f91e1dc2422b3f3b0c49121b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}