{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "98415",
    "entityType": "User",
    "nonce": "0xbf0ea6fab21c4d0c3e0e6637417069716e3212fdef39f8ce19d1c95512676310",
    "signature": "0xf17963ce5c42a53a503d52192e238528378cdf50ec43c6a4702a81a24e818eda1351c2894df30a03e6be0789d59d499eff976ad34e4cdea7a5764bb9ed7500271c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}