{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "601939963",
    "entityType": "User",
    "nonce": "0x240cbe2afc47a20a1ccbd96fba61f8dbc97eea4279b43f6c022c08aed4d13161",
    "signature": "0x946ca49be0f43e6050eb3c433efefdf2603807f1c609245c8bf240555ac786502db4492ce7a89e6d9db90e4666efe4e9e3f3943f99e0a74764e26cf93ee1b1421c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}