{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "172240066",
    "entityType": "User",
    "nonce": "0xebf53860ddf6cfd8153df16a7511c1e552222f87521833c2e7063ebafefa6f31",
    "signature": "0x267eacd5b852a79f2e4806f599b5f04e5e9d8e33a1a2a99c7e38649e17160aa56afc50a4a1d5fa15f4508ec6b1e619517f810d7cda81f137f4fe3272f29dcee11b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}