{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67066",
    "entityType": "User",
    "nonce": "0x67f2a2931be922ebe398cbd36d4cf2af7dcf6420139defb0767d66d36ac44ed9",
    "signature": "0xa75524000edb0b9cbff00fe3e11ecb6d9243c703c3d444f8940558c28f78be730976c6b342526cf10e4f6cbcf9a8e050857465bcbcac1e9e114c6efad410444a1c",
    "signer": "0x73C69e0c0a50f0E228106C863e362C350a86Af87",
    "userId": "190031"
  }
}