{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "938519346",
    "entityType": "User",
    "nonce": "0xa64098736c587efd6b56f2afba5fdf4d983658f53d44ad185c80353627cab562",
    "signature": "0x2a7079103a26da39ac3e43add2e00e4ac5075b3030f2ff298c6f788c0cd6b8b703495378b7b3511b749d192145e378e615a5238c04345c16ea52cb74664314d71c",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}