{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3517",
    "entityType": "User",
    "nonce": "0xdcdfca27a892530b9ef23aa3cae86ad21bf0a509ba8f8d7329bb209a8257dbec",
    "signature": "0xab11a710565650ce6dc1d5f2fe08d43e9887d789891d56ae6eff0a5fdb3b0df31f2240418b84a787759dd62d3c486612fb87756c45d64542e430c8452fdb2f1b1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}