{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "185747",
    "entityType": "User",
    "nonce": "0xa54a4fd9ec48d4e6340391815e42235078accea633a3478909e05f8b22f99c2f",
    "signature": "0x1121d4737f9d06023a35fc00f1991dc720e13ec5c0f692247b0b19714955e18c0ba384e4241bad296a79892e8a942b235d4405151657341cf2526fef206a7f771b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}