{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "419391",
    "entityType": "User",
    "nonce": "0xbd3173a8fb6197e0686e0b0d252370e6f6857a8ad6bdded3ff888ed996418942",
    "signature": "0xa91d3c55cf0fa0bc316b705321138ee641a2c73ef070b6f4e89e2d58cd224165039e68d44f9d09b82edc5f8284f68c29f5581e686568bb53e1904f0758bb2f6a1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}