{
"manageEntity": {
"action": "Subscribe",
"entityId": "308481754",
"entityType": "User",
"nonce": "0xde51818b4927cbd80634aab8016d61c3576da8ebb76cc35b495a3a13ca484ae0",
"signature": "0xedf400d7c923101d6c758c6a728ff1646eabfa7350955c29d11bed55d1b646c21c0769159a50ed5674d0b2ef7e9f28ece2db1de075ccad39239078f960c4b48c1b",
"signer": "0xB84e0Fb00469FaeC087cC2Fd555dc707Afdb82D2",
"userId": "951616316"
}
}