{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54134",
    "entityType": "User",
    "nonce": "0xdded3f3155708084ae5067967e12e015b9fa044de12e76c77891449700bb0227",
    "signature": "0x7d16d0531be5297c8a37aae5596ed80a3629e33c1ce46e60e9c263a7a21b70d85a300d037ca46981dc0d704c1daa28b9c8c269d0d5c937f93ae01ba24597d7a01b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}