{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152904",
    "entityType": "User",
    "nonce": "0x4916a7c0a5059e358bbc428e10d0afd140819b7f7e843a9dc9ac1693fc639dbb",
    "signature": "0x9dcb38d1f86653a2e481928b561d4e5d01aa0524febb2f515228ef2d0ba19a25365b7e4526e69b60d1e0a5cdc3a35cfd011ed84f76cd835e80d55b61d2923c201c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}