{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329160",
    "entityType": "User",
    "nonce": "0xe300b554771ecc89033354b9e256a856b04aaef266cf9305e5543bf043156133",
    "signature": "0xead4babf9d830044080a6e90be277649bceea565cb02905ac8861e8cffe53ee17a5150da6b6e4a95fa0464a09e4a22658b63f8d47e98507c61f324bd89d65cf61b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}