{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29853",
    "entityType": "User",
    "nonce": "0x2ced296e6cd0d8efeabf80931b81f4154d0157adc7db7bdb62b7b1a4533da08e",
    "signature": "0x094da4939a9231fb1e2a55f09776294b044f8d58b7e7baf93038100f1ec5d5c8381013d6c449be9a2ab5da8b57cdaa5e44ca48fa62c93cd393ce73fc15d7fc331c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}