{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "735980234",
    "entityType": "User",
    "nonce": "0x476896b328bd244867e908e9ff292f8660c48688222084601688158549440873",
    "signature": "0x46a0693c059a73339e4791bd2434bdbdf4fb20f251e026bf8f1bc75d8e610c9a65bb2cf442d94239c1a2d248b2ffeb7105f44ecb890b5bac0909a00748097b981b",
    "signer": "0xd2034C6636b4261c48403302a162304227a2BBFd",
    "userId": "39985301"
  }
}