{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127964",
    "entityType": "User",
    "nonce": "0x70735e39822722628984f37121a6a26322a850b179ee28829c147be8e7b79b60",
    "signature": "0x4b121a7c65cd4fe687e0a77e8fdeedd8dcf494cc9af3baca37f30ab840c334e201e90a88daef493e18be707b789344cc80f43e7a2befb6b07893e68d9449b96f1c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}