{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "305182",
    "entityType": "User",
    "nonce": "0xfd0c87105af9f2b0450f01d0abf245c7b0119efffd4b632f1aafab7ddc760469",
    "signature": "0x4a2fc05c2e08af42188e0806e39e91dae009571c7793a15294d646f2d8ba4cca11a4646d2d6192d13d6ff0388bc1ef80cb3a1824988e1a5c3fd115126c4029941c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}