{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67517",
    "entityType": "User",
    "nonce": "0x42abb80733c2bb637fa7134c3caf87aeb192a633b646eae07531bda3912cae98",
    "signature": "0x9c4a7cb4d8e1c44c8edfcfb6b172f84102959a4efb3e39124e60ca40075e5ead2d401e10bc3cf2628bd12d4e2249b933eb812e49e60a81174b05dc48d82fc1911c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}