{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xa7772e888ee27df3607415df13d1f5588879b9df0aa81826e4a6181f977a7cf1",
    "signature": "0xd339527594c3e6e571044e436b8021e4e5ef8151ba8ce72fe7e3128b70ec1f5c0c1d2b37c69cf314a3c32e3a6e2f334bb86422faa153df8cf29c43ba985a16de1b",
    "signer": "0xCf3E6F9F4BF41C4e355E01484A92aaf61B6dd8a3",
    "userId": "149919577"
  }
}