{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89183",
    "entityType": "User",
    "nonce": "0x196e0d1e7fd6d236b480532302755e4aa5f89971e5a0a50c0758e50aa9684506",
    "signature": "0x0239ef34f73e43c36516a5b426a70b35bf7ac951e85f0bd2c74870c053cc006b7d4d137f0c57abaea25a6de0fe2b9aa9bb4b172b2e4b2dabd6bf021c19f6225b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}