{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "332210",
    "entityType": "User",
    "nonce": "0xe223ded57b649fb9d02ba86450b9a09f5c84f234a2176570225e8913fcc4e032",
    "signature": "0xa4299ff7062b00f5060ee34bdcf9d0daadf45cb6452926dd7d7b623cc08d70be788fe19f69539fdf3af3708cf855ef30acf61ae360c17c2821bbc025e8ced2141c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}