{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "364447",
    "entityType": "User",
    "nonce": "0xc3699442833c35c2442ed72d0b437b30e8b288afcb0d1f9f03c98ad50375681a",
    "signature": "0xa105aaabf5816efd5a8a3c55833e3d0acdd909318c63d730d84a376927104996699b05ce6f912798641d2fac1515dadb573e8b4b32e60a0e0ba41b4dfcd61a691c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}