{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "207161",
    "entityType": "User",
    "nonce": "0xb4af936e2ff82933c77412839802d5d70e0046f4646c34a138a729c79b38930e",
    "signature": "0xfebe55fbc9d9342ef1aad2b75f619c8eb522fa65ab3073525df46539c9c2cab44684dc92aa82c132a9755488d55f6835d485f282014e4c14b171952f800a3b3e1b",
    "signer": "0x81e9de9D1365F9c0cdeb3578Eff3bfC3122088d0",
    "userId": "8551894"
  }
}