{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "955332661",
    "entityType": "User",
    "nonce": "0x56814a193308da63343bfeee45fc1d4f16ae79e8a2f6f2028288b9f3d3c339a8",
    "signature": "0x979c03559a0f86714fc9394e7d37ec71d5811ddbaca0a20987ccf1a16b91c40d4368eb12f26da1385aeea7f6f7085bc8e5283725baebc969ee289f7bc03c59e01c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}