{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "683609933",
    "entityType": "User",
    "nonce": "0xc162e586054f2c3428716e8855b54728ebbb932ab2ab146f2755fa5bb02456cb",
    "signature": "0x36b8f38b2108256341986b9aec42a7535637825dff579d8c05b617517a89335d21c0471c6b1e2050a0f00b4c77f804ce68f4459a4b02c26ae92f4b26ac50922b1b",
    "signer": "0xeFC9B78A20535768B9d5BCd2702b853bd5C0789c",
    "userId": "333246"
  }
}