{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0xdc05a8bd6fe85f3299e67128ec17eb258021d8ed2067286731612868f01a7410",
    "signature": "0xddf50420dd213ada352a316f20b55c6795dc28fd5303284e6eac5251a23ed5e71fdc845fc35c9e76ef120937125e96232cf9075b4f08170633279e652065f1d71b",
    "signer": "0x9587E54fD9e50A63472e59359F08eFD8F011cc70",
    "userId": "583511607"
  }
}