{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200959284",
    "entityType": "User",
    "nonce": "0xf1c485d66e9df072ba8b548375c03bc35422ea94894c0c8a55cf88a23b265181",
    "signature": "0x47b0bd27c38814e6716a5267e8c4163d3d57d246ab76f58718db529c7a1165e975c1fe8bd8dd3d45a72a8a3852520ec8512f3776d0c4ed66ed6c50cd6a4cc5b51b",
    "signer": "0x044142FBd4AF7201d53A9BD1d822768a436d6314",
    "userId": "683311144"
  }
}