{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "832955754",
    "entityType": "User",
    "nonce": "0x3dd71fa0afca56d60bf860bfa03bfcfbdf55d3e8799eb7b2a9271454313028d3",
    "signature": "0x2f5874e39a889993787afe1c03baf80e783f77fc8af6baaee1f94eabf572eabd19a935e636bb811df5484432d2f031c045db1f38ef79a3aac5ea84fef40c29a11b",
    "signer": "0x1ABf6DD41fe1E6b1C2d3A69859a25C92caa31b32",
    "userId": "17689"
  }
}