{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "322145",
    "entityType": "User",
    "nonce": "0x96b2698f4878d8eaeebd6db39b2e13a7e188ad72d0f500bd1947928b65ed6ab5",
    "signature": "0xd78a4b21a42d909293b12fcf26c3cd693353559db43a4af2d35ef08542179e454d927dfd3dd671f44fac0ef790f5be13b081d84f8f89c588f47e79d2b1d241be1b",
    "signer": "0x28b9f9197fB6fe7356F4228d71DCDD1C6aA3C8c3",
    "userId": "252398720"
  }
}