{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "137294",
    "entityType": "User",
    "nonce": "0xa2a990a76875379ca81c7b60d720ac270ebf1dd5b82a0d90004aa807275f0ece",
    "signature": "0xe8f6594ae5ee039274e8054f54edb68910efa2c92914d401078b2fba97332493504152f2bed88a271820c656522267458bf72f8ea2590567b3ea239298b453081b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}