{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "795938699",
    "entityType": "User",
    "nonce": "0x5167d0f072605cea0ec92f39935e0ccb1ff51ff4cf03fd7a0ed005641111159a",
    "signature": "0x5f92629e17ee04858a7ad0e11f6b3656bd77fa5a1ed7958a4bc840cfbe54d0b71f3ece98e0ea654e1727a5b67ebea5b4659b5d7b5307e7bc550a72c603478e221c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}