{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "347139808",
    "entityType": "User",
    "nonce": "0x5ae24e189ee8c0f4db06ea26e1c44b2cc609ccd3eaeb6c65da7ca8286071890f",
    "signature": "0x714811f9c6d45c333b1235ad65114ff5fe2fa65c0a6c4273f8ec80e956d0eb0a306e86b835e44735c3834a5c4adba063b37976b2e9f5e83fab388a1b958804e81c",
    "signer": "0xaF260D56498a2d61b204aBc5CAdCbEc98465d11b",
    "userId": "219894195"
  }
}