{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "971292289",
    "entityType": "User",
    "nonce": "0xa05e3b8a3e2de5f2a75e5334e2e42e7918c81ccfa3a735593ebd8889c5db03b1",
    "signature": "0xcae05d8079a1fa49958bc65ec98ed7fd4a74c669507dc64e1aacff6dee644e8e70527c0fe15567689ad7afdcb9ee8df71b175be29de53eec0a8cc99d64c3f5531c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}