{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0xeb876ffd28e3b4a85986d1f9bfa3f08f303d1fc646ac555603029f2a8fbd93c7",
    "signature": "0x0c04819ded09d02931176101a828ffd9b34e6f09786645cb631da1476077723f3687bca38172156c75cc1fd0aee19760f94531742e7278d1d45cc3c8ab38a11a1c",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}