{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "925608483",
    "entityType": "User",
    "nonce": "0x0f61628eaed33ecaf31a3497d3960803726b334857a6cfd08edc6b74e3db20f7",
    "signature": "0xbebbb91a64c37ac813914136e909775838f15030697377f30790fc1e4a352cd01db6f829f897c55f4a2558979022739a4f9249c34c5f3e93c35b055abc5617ad1b",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}