{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0x39cede40e1c70aab7b3472efccc494f408836fa21e6fc29568267e211f47b392",
    "signature": "0x4d68fedaa1e5a4f44d38154ee5600bb0974df3c8d54028ae52b2c1ef0d26d7dd7517501ac75e51ba428f52e2a3b0a78473c87b4cd9925f8cc1b8feb56038f64a1b",
    "signer": "0x2752c6C488Ef240895028c3B2287EeC269C7EC7A",
    "userId": "79019982"
  }
}