{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2707",
    "entityType": "User",
    "nonce": "0xd1f4da734b7884898a29aea73a8d1c321b9193036c525954d7d17b4d0bca13d9",
    "signature": "0xa90bf144d1cce2faa06d442b0b22a6018720f0f89680877aa15274989548b0685b5a326e2aa7bac8a00b8012b1bffcff3ef1fe955346c9f3b79466d038d3ce3e1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}