{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13065",
    "entityType": "User",
    "nonce": "0x1c0bf7cc86b1076dddc7c4c2887db6e32cd95b276bfe5bf8328d14066c06a641",
    "signature": "0x59606b20b2de00bf560e1f6a0108a95765c2aa674fc114861bf6f71a4c0dd1997335f9bc29b08627b615838cbb9ef791984c72f0fc52a456aac1792c388235251b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}