{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29239",
    "entityType": "User",
    "nonce": "0xe44db73b62288035442ae26f7c421fc5c50bd04a8d01a7d2c6e42a6f506658c2",
    "signature": "0x31e477ed41f5a9179a137be300ec8c52ce82395aefe2c8964145f0dd955502457d043e9460ca07be038fbd1474463708b55745ab2b8a1803d9f34f3562760e311c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}