{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3275",
    "entityType": "User",
    "nonce": "0xce47565b2dd8be54aec8f437b5d56c2fb6c4121b0c6abfc9b681313275ca2fc6",
    "signature": "0x83b452c4c4140ec117e72a58f535b33ddcedbfa0ebd0221c16683e24e875534275c6e7752ac032a66bf5425e7f3f6a3ce11f482e1bd79033e1bbee9420f597cb1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}