{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "352851",
    "entityType": "User",
    "nonce": "0xbb99eb7b491552a300a1e55efa6a7827f4cb3ae5ddcc5b2e880b950b8ad12063",
    "signature": "0xebd54ab190f64207d6d1b041311259e1ffc6f3c76b10bb5a36b985c6a828a8956b2750232def0b27d42823a80afd15b129f309f4c1275f7c1305198d6b769fe71b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}