{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43483",
    "entityType": "User",
    "nonce": "0x1faebad0e5c7843aea3aab3cf0960cf85cd806edb1aeb350b18ef7237afa29b0",
    "signature": "0x1f028d88a5e98c113f8ed870e172380a31451d677c78ab146ce8024b25489a3c62f9d0ee4120dd12aae1eb1d08f00f8ee11e3210b33a1e0dd748e52b42858bf21b",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}