{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "185615",
    "entityType": "User",
    "nonce": "0x50920c26f2cc5ef1305e4ad1949a09a3549ed745fc458b7f4fe0a66e8f1867cf",
    "signature": "0x4974a3bb925e44483e15c053ebd44cbedb49488f7aeba4d6d7bf677a720d6e60742cce3f3a4ee5f4151c2ea1c2cb5627f557d3254729a765c2fc532e3276b5561c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}