{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125568",
    "entityType": "User",
    "nonce": "0x439693a41dbf31924db26eb311178b8116bb04ab61869aca21922af91bed2d66",
    "signature": "0xfc67bed435465b41eaeb5041d0de51e7d80e3c7c34b2a0eddc31cd0f327a6c46752289e95f5ec112ad469be7880f8538c2354b562e1a4b53216fc043cba373e21c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}