{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "119972",
    "entityType": "User",
    "nonce": "0xddf6d810859ee06b2f5dedd68a2cb43d68a55310cdbb7a111feb48bab7274051",
    "signature": "0xd256502f3c96c0ad72afd07deeb87c167bd35a46623f406e7e51654cb2a4d39304a4c0db17f99e7b33e5546a3518b67c28cbb281d1c437ab0b3f85064673bdbd1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}