{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68935",
    "entityType": "User",
    "nonce": "0x7b54e00645928e52de96a4ba6e5beaf5d4340ca7c97b80375923f215083dd897",
    "signature": "0x8f190c10371323a5b79000062a7efce5d0cec244702dd574d2d2d908cd7b33376059d72800ec5c9f3766d9bbe76812f7cb27e9f306ca178a6d6ebb3b1bb3840e1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}