{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "354908",
    "entityType": "User",
    "nonce": "0xd26c92759b25502ca03bbf9d5e2666d00efa514946ad94243637ee9749806221",
    "signature": "0x4ae62838cdd7f4657da55565152cf5e1f70cd96df68a340f0a8b9ccc7322790b677e1f60e615ec26ad214b067907faded8e7fde3543550531ed7613a645a5bbe1b",
    "signer": "0xbDC93609e4d7A3F4F0E94b896054486262aF20cB",
    "userId": "474911159"
  }
}