{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1674010",
    "entityType": "User",
    "nonce": "0x030dcc0f34486e83c05dabc5f8603d317f9bd34bfea0fd8c9bd1b0aaca266877",
    "signature": "0x92b36c7a2b64a78aa108fa8868014d473ef1255abb3e5a799580b1a22524ca163c7e201808b0c303eb5f384e504a9c1617778199fce174422a4128371c4739771b",
    "signer": "0xF08935327AeC6306C8d0eb92999567e5496848C9",
    "userId": "989073793"
  }
}