{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78148",
    "entityType": "User",
    "nonce": "0x84e45a9e48844d9b791346230e414a8ab698f4d0169bf8a17ec968c6b5c5083b",
    "signature": "0x66362bc0aa23d1b033d9ea81fcac807b693e662f038ae67c2a95c9dbccbd4aa959b6df3439d770b68d8790ed3f28a0612c5f578a6d5287b8c1af95f2749500691c",
    "signer": "0xBB6Ab1D303cfA3cD5EBDBa3A85F8659EFf443304",
    "userId": "575673547"
  }
}