{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "324479",
    "entityType": "User",
    "nonce": "0xb2e0c2884614f46bdf263506ec994b53e6ec8dfded34790ff2144671b914ee13",
    "signature": "0x8a9e6b2c2d6459ff2cc686e742d737ba65b48b5dd804b1c4d27c1d6423ce68391dc1f9bc3c3a5f81c61f6b5e70c23ccc85849c367f8b2656c4d957a27f3dc1b21c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}