{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108474",
    "entityType": "User",
    "nonce": "0xe8cf9321406d89b02a210ee9c52d9edeadbbd13ea87a266dd3d6206bbaaaba4d",
    "signature": "0x083384846a8fa7484259dc32e65bf6f8bf6877745e29c9e68d8ad2130f36024f6d362088f6869002956c0d729c7bfaa4b469ff002c72e9892c5a7b652b0f75141c",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}