{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "532102801",
    "entityType": "User",
    "nonce": "0xe3f6152fb68de7b675fbd2dc38036c87b242903d197b0c3cfdb8f81b1811261e",
    "signature": "0x72c5d28c5e7f5cd3ae0ce9c0435851a451219c89ae3b41fde8a702174bf36df52c9eb67e9abf40b46cef7d8a2ef9f4a59558ef157328f67f80bad3c48be135f81c",
    "signer": "0x88ad765B72fb060B3adbae1FA44A6C64722E1781",
    "userId": "236177"
  }
}