{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "131834",
    "entityType": "User",
    "nonce": "0xd2b022af52b19b63d67363aea409f62fc6ba8e92ab7e1d87e58bbe09d7a5ea57",
    "signature": "0xd0768cd427a8061db0fbb01a0718b1bb624ca83fe26c165d0cb859c5fea1c88d288d9610e8736df846c0672fe735a3f5db29eff5a00288e0d4a2b1e2b52510ac1b",
    "signer": "0x57Ad6E2E3fFc5ABe9b5FE7DC3bF7c07c8cCf9Ccf",
    "userId": "571702334"
  }
}