{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "360778",
    "entityType": "User",
    "nonce": "0xe42053502a831bb8a9eb8e5f8fe0cdf0cda1260c19454168edec07dc60ddb13f",
    "signature": "0x6135000f40e9a22f8a0cc09a56eb742baaa3d52c04f597e6070a9b3bbc1e43f96aa9eb92cb16250c9337cba4ab3af2e885c5bec8a6f296b82c191e26484ea51c1b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}