{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42741",
    "entityType": "User",
    "nonce": "0x39ea0c38d2a7bea4c72ff40e25cdef72809f1d3e980e5665ccc8672eebad9983",
    "signature": "0x7a53ca2bea58bf05e6c3e9bfd96bfbe921ebaf1643248b8a98383b6d9abec2162b63b5be958cecab6d0734b4bc537aaff799638177bd0b2e51dc5ca4f7143d3c1c",
    "signer": "0x8ED8606Ab8cF49801aEa2bf8fFD349E9c85bC6a0",
    "userId": "464330844"
  }
}