{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863737863",
    "entityType": "User",
    "nonce": "0x59ffe8489e5a52a0845e52edb2918aa32f735a72ecb5d144cf5b01695d0faecc",
    "signature": "0x0cf2b095b51a2596b033185c4b293254ea0ae1b4757767df468282e3a17228d95b42099f9ea2ad298ee1c4506d59f589df4cdd1230a665f595900377d8d19d1b1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}