{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa26f075d853e3ba70d75dbf6476f9fbec2c8dde17667708042a011ed42097ea7",
    "signature": "0x91c2c468bd778478acd4faba1ba07495c3323b27344c9f40ef5d0de3503ca82517ed512cbbf7bc94769eddf3ac3527cce144f1f80d9a1208cf6d19a29650e5151b",
    "signer": "0x92259EE201EFF2FF3e3be58B5285c3D61A058aD7",
    "userId": "888095035"
  }
}