{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "183216",
    "entityType": "User",
    "nonce": "0x660dbd0e84501ef2d333221b0d362b66742daccc5c81ecefa5f9cd6926026d9f",
    "signature": "0xc20f65b3e86099f90ae9ec2663c0acecaaa1c1d8b0a36223b31f6b25fd185fc600195ae01d08043ba2dc7d566085d436958c60e65f1a81463a673bf44b90e8dd1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}