{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "871929900",
    "entityType": "User",
    "nonce": "0x6fbe8b7c3e5615ec4e1384254fd5bcc0df74f18fe684de3940d7e08ca4a07de2",
    "signature": "0x60563fe3d6a4c324f90a795adca7c6653ba277cdc5d7731dd0644ce86d6301682dcacdfec4faba3a08b42f77f364f62bf5056ff1ab0ee0768a9f0e5a81af4b121c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}