{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56250",
    "entityType": "User",
    "nonce": "0xced37b61b50ec7b81f0872255a066ea5101a80dd4d699f7b76a1fc2249b0895d",
    "signature": "0x3b0dcd70932d7e98b3f9b91927bac7fc7519e050b9455425d2780371250ea22043a23de6621cf01ddce80b58d656f3f7fba57017d455c627426096b5b19dead11c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}