{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "782825894",
    "entityType": "User",
    "nonce": "0xca70af6c339f27b61e5aa890b3052dbba538e2a786987174620760b196fbd092",
    "signature": "0xc991d5a9f32042b47f7c710aa43f95c6922140df07d04371aa4b32521a58cf2e02e58781ccc57e429dad7225e1c162060c8aa506d4d1fdd8b656797d14491b3e1b",
    "signer": "0xc0621be31c1D1B62b94F2d48eE34dD3c3dA9D57d",
    "userId": "161438318"
  }
}