{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2011332",
    "entityType": "User",
    "nonce": "0x2613cd1c32da69416fa4ed656b0fb3d8a53dff517407c59f6695ad879fa95c91",
    "signature": "0x7f06400abb6717fb249d0b10e10e1602598d9bfc6c5717ec11406973cd91847a5f11f397072230809b9d3dfc60dc42229a81a02f03047fe65d9a85217bf563ea1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}