{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234928",
    "entityType": "User",
    "nonce": "0xed3902b2088d454c4b5388d9530c9537c03ea0d6055c2dbcce7d197496208caf",
    "signature": "0xadb984dfe7b6e8348356803e268b737f743ef8cf7241ff89c49b7328244234543fdb9005dc2427785ef8b053762040ba3aed84b481d00b47451194c0766dc0501b",
    "signer": "0xdF94159720AB889b4D53EB68Be2E4869f38b9eFc",
    "userId": "863573949"
  }
}