{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x9fb30cbfdd1d2cf21c7c7f3524495172bf5ad94862c16731c77369ab9a307103",
    "signature": "0x2ef41b6ac773f8e474518210e00cbb12f9e2deae760e5749ff5648a5cca3cfed4c06bc3d3f55aed95cbeb7f2f13f51e96bc38d5972be4750cfd03baabb111e631c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}