{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5824",
    "entityType": "User",
    "nonce": "0x7cf1f8f3656d55be80161593f4b13591723f5738726507416690e77d2c412d6d",
    "signature": "0x73d723d6b09739e4dc4ecc029f862662626008d31f76d2e71c78c944106b16521b4509004e0a3602b8c12c7788b1ef31749ac4cc0e2cb8cdb9a3b79b67c82cbb1c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}