{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "232877",
    "entityType": "User",
    "nonce": "0x3b0884e1b686c7eadb56a4fa84dce55dc49e1d3bd13329209cae099215180d85",
    "signature": "0x65f4aa01a161bfaaa41cc78812867664ef0106406ea2af2772ce6250f5e8f8c367ee4c5201d21563efaa9ee41ee1f8fc4d00bf40a4f25d5eea33de8cc7ca22fe1b",
    "signer": "0xF2c19977A72e7f63bBbD9063748E52c002b22f6b",
    "userId": "957488166"
  }
}