{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "881446128",
    "entityType": "User",
    "nonce": "0xd9cc312615ee80c7d3fcb226c9fd584d6212e5e0e4442a88bba5e170e33605a1",
    "signature": "0x2aa00f10ce4191bf622975bcbe5ca218423e2989657fdc239165348226a209235132657872e3b17451192e53781daf9af0e7c09a48e25a9c45db18604aaf6fdf1b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}