{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x522600f71c28ead0b6af766288fc3fccc2e5956e913d3da114baf53e07bfb353",
    "signature": "0x3316ac2fda231613c6007044ac6cac7f0e1ac1265cb5065628bb17e9b1d0083232c9a9a873881b5f9021b21a2ad69b0c55b39f52d13e1542bb24e0e40d176aed1c",
    "signer": "0xdD03ED106abBEF4982159500e32B8602B985a69B",
    "userId": "444965341"
  }
}