{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "505890932",
    "entityType": "User",
    "nonce": "0x116adbc1fb7e4bb1ded0c28720092670db5ca64b19bdba983ddfe57d34be835f",
    "signature": "0x2987ce2172ce2d848588717f484ef7ac783cb8aeb81e48c4c84ca9f3f59e4d835e3173c482d598170bb4c9c38cd94d65ef73c16cfc6909c222efaa2b07c1d0531c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}