{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "98311147",
    "entityType": "User",
    "nonce": "0x99ded4b65ad78fb9672c1d087de32e6cb76012a1fec49aeabaa920cfce7a8b0d",
    "signature": "0x3ed960e7c7c71a8af8574102641999baaaa3b9c799e6ffe363d973fe1e2330a1727f8972ae9dec8a483fa2deb32e2cb59803829e716b6504d6376de5174ab3751b",
    "signer": "0x4E3828bc809fb5B9deb81fa536cF73Dd5bF4eeB2",
    "userId": "185184169"
  }
}