{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "361552548",
    "entityType": "User",
    "nonce": "0x87407bf4f51fdde7d9bce1fc916e072fcfec700aee8adbed7806590ba460fd69",
    "signature": "0x65992749ee09c0202870db40b58093ff11f8c5713fd8434a83928040105a9aa03ce0d1d0b26878777a38c1b535a5f75f5c4f1d6732aaabd08707b41face2a4061c",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}