{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xcf9c53360e3ef73f3b465f8e43ef0e793f3e75cdfbedf805b9dbffa97f9d4782",
    "signature": "0x3b7a22955bd81bd051b51c177eec7a9e2b33eb26e09b63ba5451dcaf8464aba5385828627c2432f416a25ef8349fa9bacf145dcdd92ea2ef729e6b3fd4804db71b",
    "signer": "0x97A48CDe9eD5Ec07148c100551C5e772f2667403",
    "userId": "28372811"
  }
}