{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf69c4eb5bb1c2fa522d4320c303a0bfe552ca79f69071886b597206d3089862c",
    "signature": "0xe8056c7ad352a157a424b8775146fb73f0d0c801bde6ff0b023b77b42ca0f7ae71b3512ebb0e25c7296f2d80fd7a59b537d247a6d6a836b720258c84a69c7f7a1b",
    "signer": "0x83343BF7cEbA79378ba970a4f4e9A95aba8766A1",
    "userId": "205029729"
  }
}