{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5562",
    "entityType": "User",
    "nonce": "0x588695a8c5f2350e793a085246ab5bc2b918e098a7b98e324e532a782d5f3bf4",
    "signature": "0x1688402c000743a6a7da79f231ed48f6d2c043452581c1e6ccb211fef7df10251863aaa7b6e18a5ccb5409c3d7be0a5bf8978c0666e9a61d02392183f8bfa05d1b",
    "signer": "0x3ce98eEb540e9f90ae2BB6588CEc86ABa4099408",
    "userId": "8601343"
  }
}