{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67615010",
    "entityType": "User",
    "nonce": "0x770c95d9606221d3b8930a6ff6494c14017d408ab6f4f25e3c498cd9164edddf",
    "signature": "0x516034e219a28498408ba37f7c8cdb935c5b5be271195e516fd4cc8967281fb62985d1f55590aa61ad4cc2595cbddb59f5b5db90ef0ce2b7e960690cbe2e2e511c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}