{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "212683",
    "entityType": "User",
    "nonce": "0x0c17c5432c7ab750f2807a78404f358112f740b1c4e5f3167a4a8c8dc29b82a3",
    "signature": "0xbe78053aac0923d1dee5b88d978b40db2744da2816ba688fda40a2dfe283dd07649c8b0099b0f7bbb3c7cf07dc88680c27440163a67918a15e7c9c0dc55614971b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}