{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1479390",
    "entityType": "User",
    "nonce": "0x0deeb3148ba597eee12827a0ebac913f06dca599fcc7d4b41e36ae8f579b9f0f",
    "signature": "0x1de9a1b92f09469715e09fa7b05e38776bbe88544995c5f59b5b65bfae6996b94bf7d96f8d04b48164261438318236f2da91ff4608f7694966c175392058f7b81b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}