{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x5b46d202ccaa0fdc15b3c5b1560a49fadf2e053267ffb8caa9b50d63f07ed998",
    "signature": "0xe7322a8e087d24f5f2d2e9da9fd1ee262c709da16365872c5a424b17ee0ce2f00ab88a7e59101c0405cf0cf5d7dabc7d63db838ff544d5875e3ae8153843edb31b",
    "signer": "0x8FfE4D68AfdF34240202742331b49cb462b7e26C",
    "userId": "660197861"
  }
}