{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x7e77b04bdfe9aa4574209d489d91b45fb20c4fd47ff62f5243a8fa29edbb3981",
    "signature": "0xd65cf9a4c06d7ed90549e71697a31835841270cadaded270b3c4e42aa72d88386a4317314f29d2dd0e3a00d999cc797c78066dbe231141d5f9790464535224931b",
    "signer": "0x9c0E158fd6a79ba8384938c72F34b5D765d2A9Df",
    "userId": "178678516"
  }
}