{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x8cc9335b2ee021ce3200c177c463235d1d558bc7237b58b738a9b170de017d7f",
    "signature": "0x6d3ad7a0672028bcaca8543bc94c95a65d5bf4ec6b92c9c7e228eeb498fffc2836a26ce5bc07f6533f53df0baa185c481be672f89a0f20403b9315fb6d18b24f1b",
    "signer": "0x556D15a5c7676f637104Fb4F811c98D46bad6AAF",
    "userId": "98088512"
  }
}