{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15635",
    "entityType": "User",
    "nonce": "0x429d5ecbdfb09342fe29abc5fe07a16b3b1335c29c2dd8456155c8abf8395802",
    "signature": "0x7e108515b45d958fc2b97b91b568dbe5a347c9b74227dbfe4c59ee8d61fbe09174b5907e9591db98f96cecb0ab63a546c78234ab9bf1cfa8c04195da85e7bf9a1b",
    "signer": "0xf955397B294667924e7Bb7F0242060CE42339111",
    "userId": "142071420"
  }
}