{
"manageEntity": {
"action": "Subscribe",
"entityId": "51",
"entityType": "User",
"nonce": "0x3228812faa6241a18f72d2909406779b64bfe403a29c7c9af4ba39b833d877a3",
"signature": "0x7d71ea62c3c1f4872b0349ccb7e29df0ded82c8776282855816169db0ee725b248049c7c136500e7e48940bbbfeb388a6b94002a7a4c20d7af41ffc07cde933e1b",
"signer": "0x683c7fab2Ff4F7240778EACB3d1008B7FB774c40",
"userId": "866103561"
}
}