{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2052560",
    "entityType": "User",
    "nonce": "0x02c278968150186f3621fc08101483988e00ee156584280a944959822c361c2e",
    "signature": "0x068f477b0fb0291172a9302f7d8b8baa4ffb47a398307712648f4d43aa1354642c17d8ac2d5d3662b35776195c4d36b1fb93d7f3cb137c5e8d87d92c181358c81b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}