{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108203",
    "entityType": "User",
    "nonce": "0xf456306d2af0d71fce21161982c744e8d56a64b2eabcb61809c7b0423f99e667",
    "signature": "0xa89222202f9dcb6766760fa4949e9cc0063163764f218236487bb45772de45c42ae116a7f8ebd833b81704aa8b7e1a0366f24729fe2822321b448cadfe053d291b",
    "signer": "0xe26C66D5635e0Cfee21F601fAa02c190c7BadE94",
    "userId": "104724985"
  }
}