{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcf522e4a77ef01304c178dc2131754f03f8573abf0f69a883ca4c9af46e56743",
    "signature": "0x5c42f627420777d4bcd14724558aefd0b06beaefcb49ed2d122ab9e62d1c52d83241656ea3c40d1b5c8f81c6a7ae28b255a069bc9d5c3fdceac0d47b14f2e1061c",
    "signer": "0xaFf4156a2B146067891379b740706cbac2D14878",
    "userId": "49727924"
  }
}