{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136844578",
    "entityType": "User",
    "nonce": "0xc065c343c360c178a1112c26df09404d404376c9b4f26df0ab19b83c19ef8167",
    "signature": "0xf3589ee49052c710269506e7648cfdefef12aa2299792948d4d658ffa9cfbbd4091d210927c5f5d32aa298dc425b058beeb0cfcb580e5b811f4e14e49ff26b4a1c",
    "signer": "0x195d9eE11400245E841C02c4b4288a90A8195e91",
    "userId": "103785872"
  }
}