{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x9f78a052effaa56aa0586f27a4f258cd48113cc5741f001093096f4d5631ed0e",
    "signature": "0x7c9479a31151e693ff5da099489629720c298e374df53ac9d2b80f1362b045ee19a75d8bdfe70178d67e05155c0fd8eb4b402aed6d0c61f97301bdbee78ef23c1c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}