{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "936976796",
    "entityType": "User",
    "nonce": "0x216f975ffca1d151fe06f6384b29dbb7f4417d0caa41e796e4a4c4c0a8672514",
    "signature": "0x1bf4ac61df5d6c6471046d67982f2aa950abf1280450058f3916f7774efe92920eff760762847b233408134abe9536706c17f83ffccf6593e044af8aa4fb48281b",
    "signer": "0x3765700151BA1793CFdF9F4ef4c8fECA3Ea076DA",
    "userId": "957835565"
  }
}