{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2",
    "entityType": "User",
    "nonce": "0x9a64e77adc02ca0a5abfc9d74f98b999596e06f9d0f8056742ae76817402ef24",
    "signature": "0xd49537e889a13cd1c429b9329215a3f4f9e57d138c2a02bab8a46e20d5389fbf5aa8b50fdd2f2e9623f9ca9d591d2732c632487853a0240aa1dd02fb115646401b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}