{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd86ff466c9d48385201e5438f5645954c9a65e5b0b671e7d3420820944f132ec",
    "signature": "0x6ab7b3965d8370e68e20e3a33bc23562278a22f3e306d21ab39422d3dccf83af6f9e4088118e804b83e7b142358daa34b026a9cb08369c5598d5e34446e05b241b",
    "signer": "0x115e86b7f3ea0ab03Ed3Cf7D3785D49044a7B37E",
    "userId": "46223086"
  }
}