{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59687",
    "entityType": "User",
    "nonce": "0x0f0aefa6c97343841759f1cde79338db83ef6eb44c4f81ac782bef7731f28d48",
    "signature": "0x967c946183fcb72537d5f74a32b4a0af5843bcfb3c20dc483bf56dfbfdb4289239501d2be286e21ef65eee9194ac03c9998c7792260870a40404dbfe6a2ac49f1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}