{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8688",
    "entityType": "User",
    "nonce": "0x3a858857c16784e183d86b9ac0c6e3e6cee9b6e32d87d08afe7db36b8e66ca5f",
    "signature": "0xa9e7e2a0627cc86077f3eb4ecbb9e03c93bf647a4c7a87599d6a8a15b4530fe42eecb68755a2af1d2440e4b1f69ff2fdf4feb2ca3cefcb6a6763acf1ccfba0c51c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}