{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7326",
    "entityType": "User",
    "nonce": "0x223fb09fb25eaeece54a0f89d962fd8b34606da215189aba34bb8b45d2df0a17",
    "signature": "0xf1f1cd93fafc54b1082d55811d961bf2ba425812aecfb3bf1cfb5de2aac7db3231146fbebd14b8574496d97f3b3f2b76f19b5578e3fb54ace5da5f6b44b056391c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}