{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "121508",
    "entityType": "User",
    "nonce": "0xa7c60aa5da77f5b5bc50ec78578734557f1ff9db5b6905f10688f9b05aa27c46",
    "signature": "0x1b6f1bf222c6e9907d8fee958507cb7ece6cd3c1d472c795bbc2237fde4fa6cb7e508b55362935d61911bac304da95aa0998474036b2b281e44176c0782819311b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}