{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "79435",
    "entityType": "User",
    "nonce": "0x12e5c96bfc0bef41b2a6c7396919f0b02a64d5d9462542b98602d09eb162d9a0",
    "signature": "0x4a3cda80c306dda25c9b8674b6b03eaee5d140a0061041dd23b95e943f218f7a04db65709c0171aed84f212ca03e06bba1f810d46fcadb4684dc90651104409f1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}