{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "130524",
    "entityType": "User",
    "nonce": "0xa51ab2caea82178bdc010c2274fc8507edeccdf851d77758ebbf5b90059c06eb",
    "signature": "0x9c195c1a0409a772642a27c02e41f0cbdea8dea2342f4fbcb7f164eea8ab4b2b67b67a480c06157dcdc92e7013165a72202d55eabfdec34fe6563b7f722753bb1b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}